Cheops: Europe's Exoplanet Mission

ESA’s first mission dedicated to investigating planets outside our solar system is scheduled for launch on a Soyuz rocket from the European spaceport in French Guiana on 17 December 2019.

Cheops – Characterising ExOPlanet Satellite – will study known exoplanets that are orbiting bright stars. The aim is to obtain detailed information about these planets to find out more about their composition and internal structure.

The mission is a partnership between ESA and Switzerland with additional contributions from Austria, Belgium, France, Germany, Hungary, Italy, Portugal, Spain, Sweden and the UK.

ESA

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